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Finding the Fourth Proportional to 7,065,873.60, 10,586,368.80 and 5,796,830.40

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Solution

The fourth proportional to 7,065,873.60, 10,586,368.80 and 5,796,830.40 is: 8,685,038.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065,873.60 : 10,586,368.80 = 5,796,830.40 : x
  2. Step 2: Convert to fraction form
    7,065,873.60/10,586,368.80 = 5,796,830.40/x
  3. Step 3: Cross multiply
    7,065,873.60x = 10,586,368.80 × 5,796,830.40
  4. Step 4: Simplify right side
    7,065,873.60x = 61,367,384,485,451.53
  5. Step 5: Solve for x
    x = 61,367,384,485,451.53/7,065,873.60
  6. Step 6: Final answer
    x = 8,685,038.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.